Re: Please no more prequels!
Its not a part prequel anymore even if shows scenes that happened in the past, those scenes are flashbacks. And the people from the future visiting the past timeline will change the history of the past, so it can't be considered a prequel for that.
X-MEN: DAYS OF FUTURE PAST
The future of X-Men's original trilogy cast begins this May!
Hugh Jackman - Halle Berry - Ian McKellen - Patrick Stewart
Anna Paquin - Shawn Ashmore - Daniel Cudmore - Ellen Page